Definition
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
History
Origin
New Zealand
European Foreland Basins
Discoverer
Patrick Marshall
Arnold H. Bouma
Etymology
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite
From Medieval Latin turbiditas, from Latin turbidus (turbid). Turbidity current is from 1939
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock